Glaciers shaped much of Wisconsin’s landscape, and with it, much of Wisconsin’s natural history. Even the area unshaped by the most recent Ice Age is defined by the lack of glaciation – The Driftless Area.
Glaciers shaped the land both as they formed and grew, but also as they melted and retreated. The glaciers scraped the landscape, removing softer sedimentary rock from the surface. This formed basins which would later fill, forming the Great Lakes and other large lakes in the region. The removed material was deposited hundreds or thousands of miles away when the glaciers finally melted and retreated.
Continue reading “Know Your Glacial Landforms”